Patent US2439832A successfully refreshed from Google Patents.
US2439832A
Expired / Lapsed
US
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Injection nozzle for internalcombustion engines
Assignee: Individual
•
Filing: 1939-06-27
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Granted: 1948-04-20
•
Expires: 1959-06-27
Abstract
No abstract record available.
Inventors
- 👤 Voit Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:57
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1737155A
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US2017028A
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US2077938A
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US2145429A
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US2154875A
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US2192803A
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US2210783A
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US2263197A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |